Steve Hedden, Author at Towards Data Science https://towardsdatascience.com Publish AI, ML & data-science insights to a global community of data professionals. Tue, 15 Jul 2025 05:10:42 +0000 en-US hourly 1 https://wordpress.org/?v=6.8.1 https://towardsdatascience.com/wp-content/uploads/2025/02/cropped-Favicon-32x32.png Steve Hedden, Author at Towards Data Science https://towardsdatascience.com 32 32 What Can the History of Data Tell Us About the Future of AI? https://towardsdatascience.com/a-brief-recent-history-of-data/ Tue, 15 Jul 2025 05:10:24 +0000 https://towardsdatascience.com/?p=606585 A 40-Year Look at Data, Business Models, and the Forces Shaping Intelligent Systems

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]]> How to Build a Graph RAG App https://towardsdatascience.com/how-to-build-a-graph-rag-app-b323fc33ba06/ Mon, 30 Dec 2024 16:50:00 +0000 https://towardsdatascience.com/?p=598922 The accompanying code for the app and notebook are here. Knowledge graphs (KGs) and Large Language Models (LLMs) are a match made in heaven. My previous posts discuss the complementarities of these two technologies in more detail but the short version is, “some of the main weaknesses of LLMs, that they are black-box models and struggle with factual knowledge, […]

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]]> How to Implement Graph RAG Using Knowledge Graphs and Vector Databases https://towardsdatascience.com/how-to-implement-graph-rag-using-knowledge-graphs-and-vector-databases-60bb69a22759/ Fri, 06 Sep 2024 16:38:00 +0000 https://towardsdatascience.com/?p=598918 The accompanying code for this tutorial is here. My last blog post was about how to implement knowledge graphs (KGs) and Large Language Models (LLMs) together at the enterprise level. In that post, I went through the two ways KGs and LLMs are interacting right now: LLMs as tools to build KGs; and KGs as inputs into LLM […]

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]]> How to Implement Knowledge Graphs and Large Language Models (LLMs) Together at the Enterprise Level https://towardsdatascience.com/how-to-implement-knowledge-graphs-and-large-language-models-llms-together-at-the-enterprise-level-cf2835475c47/ Fri, 19 Apr 2024 16:41:00 +0000 https://towardsdatascience.com/?p=598912 Large Language Models (LLMs) and Knowledge Graphs (KGs) are different ways of providing more people access to data. KGs use semantics to connect datasets via their meaning i.e. the entities they are representing. LLMs use vectors and deep neural networks to predict natural language. They are often both aimed at ‘unlocking’ data. For enterprises implementing KGs, the end […]

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